TomK [MA][99 BW 5.9L FT4WD]
tek@acm.org
Rumor has it that DC was issuing a synthetic filter for a while, but it had problems .. upshot is that the paper filter is better.
You should adjust the bands while you're in there; it's pretty easy to do. The adjustment varies slightly depending on which transmission you have (the 5.2 and 5.9 use the 44RE and 46RE transmissions respectively)..
a DC factory service manual (FSM) is invaluable if you are going to do anything really interesting (e.g. stereo mods)..
...tom